This document provides instructions for disassembling and assembling components of a 943 track loader, including the fuel pump drive, governor, and fuel transfer pump. It details removing and installing individual parts like bolts, seals, and shafts. Proper positioning and alignment of parts is emphasized during assembly to ensure correct functioning. The full document includes diagrams to supplement the written directions.
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In this presentation, we have discussed a very important feature of BMW X5 cars… the Comfort Access. Things that can significantly limit its functionality. And things that you can try to restore the functionality of such a convenient feature of your vehicle.
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Upgrading the brakes of your car? Keep these things in mind before doing so. Additionally, start using an OBD 2 GPS tracker so that you never miss a vehicle maintenance appointment. On top of this, a car GPS tracker will also let you master good driving habits that will let you increase the operational life of your car’s brakes.
𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
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1. Product: TRACK LOADER
Model: 943 TRACK LOADER 19Z
Configuration: 943 LGP TRACK LOADER / HIGH DRIVE / 19Z00001-00252 (MACHINE) POWERED BY 3204 ENGINE
Disassembly and Assembly
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Media Number -SENR4214-00 Publication Date -01/04/1985 Date Updated -11/10/2001
Fuel Pump Drive (Interim Scroll Fuel System)
SMCS - 1207-015; 1207-016; 1207-011; 1207-012
Remove Fuel Pump Drive (Interim Scroll Fuel System)
START BY:
a. remove fuel injection pump housing and governor (interim scroll fuel system)
1. Remove fuel block (1) from the fuel injection pump housing.
2. Remove bolts (2), and remove fuel pump drive (3) from the fuel injection pump housing.
Install Fuel Pump Drive (Interim Scroll Fuel System)
1. Install the gasket on the fuel pump drive.
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2. NOTE: Groove (slot) (2) in the camshaft of the fuel injection pump is not in the center of the
shaft so shaft (1) in the fuel pump drive must be turned to the same position when the pump drive
is installed.
2. Install the fuel pump drive on the fuel injection pump housing, and install the bolts that hold it
in place.
3. Be sure the O-ring seal is in position on fuel block (3), and put clean oil on the O-ring seal.
Install the fuel block in the end of the fuel injection pump housing as shown.
END BY:
a. install fuel injection pump housing and governor (interim scroll fuel system)
Disassemble Fuel Pump Drive (Interim Scroll Fuel System)
START BY:
a. remove fuel pump drive (interim scroll fuel system)
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3. 1. Remove fuel transfer pump (1).
2. Use tool (A) to remove snap ring (2). Remove O-ring seal (3).
3. Remove shaft assembly (4) from the housing.
4. Remove shaft (6) from cam (5) with tool (B) and a press.
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4. 5. Remove bearing (7) from cam (5).
Assemble Fuel Pump Drive (Interim Scroll Fuel System)
1. Install bearing (1) on cam (2).
2. Install shaft (3) in cam (2) with a press.
3. Put shaft assembly (4) in position in housing (5).
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5. 4. Install O-ring seal (7).
5. Use tool (A) to install snap ring (6).
6. Be sure the O-ring seal is in position on fuel transfer pump (8), and put clean oil on the O-ring
seal.
7. Put fuel transfer pump (8) in position on the fuel pump drive, and install the three nuts that hold
it in place.
END BY:
a. install fuel pump drive (interim scroll fuel system)
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6. Product: TRACK LOADER
Model: 943 TRACK LOADER 19Z
Configuration: 943 LGP TRACK LOADER / HIGH DRIVE / 19Z00001-00252 (MACHINE) POWERED BY 3204 ENGINE
Disassembly and Assembly
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Media Number -SENR4214-00 Publication Date -01/04/1985 Date Updated -11/10/2001
Governor (Interim Scroll Fuel System)
SMCS - 1264-015; 1264-016
Disassemble Governor (Interim Scroll Fuel System)
START BY:
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7. a. remove fuel injection pump housing and governor (interim scroll fuel system)
NOTE: If it is desired to only remove the governor so the fuel injection pump housing can be
disassembled, do only Steps 1, 3, 5, 6, 12 and 13.
1. Remove cover (1).
2. Remove lever (2) and the key from the shaft.
3. Remove bolts (3) and cover (4) from the governor housing.
4. Remove O-ring seals (5) from the low and high idle adjustment screws.
5. Remove screw (6) from rack stop collar (7), and remove collar (7). Remove the spring from
behind the collar.
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8. 6. Remove bolts (8), and remove governor housing (9) from the fuel injection pump housing.
7. Remove high idle adjustment screw (11) and low idle adjustment screw (10) from the governor
housing. Remove the high idle adjustment screw first.
8. Remove bolts (12) and torque control (13) from the governor housing.
9. Remove bolt (14) and the lock. Remove shaft (15) and lever assembly (16) from the governor
housing.
Pin (19) holds spring (17) in compression. Use caution to prevent injury
when pin (19) is removed. Release the tension in spring (17) slowly.
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9. 10. Remove pin (19), spring (17) and plunger (18) from the lever assembly.
11. Remove seal (21) from the governor housing. Use tooling (A) to remove the plug and bearings
(20) from the governor housing.
NOTE: If a replacement of spring guide (22) is necessary, see Special Instruction, Form No.
SMHS7356 - Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide.
12. Remove seat, washer, wave-washers and governor spring (23) from the weight assembly.
Remove spring washer (26) from the weight assembly.
13. Remove bolts (24) and the lock that hold weight assembly (25) to the fuel injection pump
housing. Pull the weight assembly out and to the side to disengage it from the rack.
14. Remove ring (27) and the dowel under the ring that holds seat (28) in place.
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10. 15. Remove seat (28), bolt (29) and spring (30) from the weight assembly. Remove washer (31)
from spring (30).
16. Remove guide (32), the two races and bearing from the sleeve.
17. Remove the second dowel (33) that holds sleeve (34) in place, and remove the sleeve.
18. Remove valve (37) from the weight assembly and cylinder (35).
19. Remove lock (36), and separate the weight assembly and cylinder (35).
20. Remove sleeve (38) and piston (39) from cylinder (35). Remove the O-ring seal from the sleeve.
Assemble Governor (Interim Scroll Fuel System)
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11. NOTE: Put clean oil on all parts before assembly and be sure all oil passages are clear.
1. Install the O-ring seal on sleeve (2). Install piston (1) in sleeve (2). Install sleeve (2) in cylinder
(3).
2. Install cylinder (3) in weight assembly (4), and install lock (5) to hold them together.
3. Install valve (7) through the cylinder, and install sleeve (6) on the valve with the second hole in
the sleeve in alignment with the hole in the valve. Install dowel (8) to hold the sleeve on the valve.
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12. 4. Install larger race (9), bearing (10), smaller race (11) and guide (12) on sleeve (8). Put the hole in
guide (12) in alignment with the first hole in sleeve (8).
5. Install washer (16) in spring (13). Install bolt (17) in seat (14). Put spring (13) and seat (14) in
position on guide (12) with the hole in seat (14) in alignment with the hole in guide (12). Install
dowel (18) through seat (14) and guide (12). Install ring (15) on the seat to hold the dowel in place.
6. Install the weight assembly on the fuel injection pump housing with piston (1) engaged over the
groove in rack (19). Install lock (20) and the bolts that hold the weight assembly to the fuel injection
pump housing.
7. Install spring washer (26) on the bolt as shown.
8. Install spring (25), one wave washer (24), flat washer (23), other wave washer (22) and seat (21)
on the bolt as shown.
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13. 9. Put plunger (28) and spring (27) in position in lever assembly (30), and install pin (29) to hold the
spring and plunger in place.
10. Dimensions (X) and (Y) are controlled by the depths of bearings (32) and (33) in the governor
housing. Install bearings (32) and (33) with tooling (A). Install lever assembly (30) and shaft (31) in
the governor housing. With lever assembly (30) pushed against bearing (33) on the detent side, the
clearance [dimension (Y)] between the guide for the governor spring and lever assembly (30) must
be approximately 2.49 mm (.098 in.). Push lever assembly (30) against bearing (32) on the other
side. The clearance [dimension (X)] between the guide for the governor spring and lever assembly
must be approximately 3.40 mm (.134 in.). If the measurements are not correct, remove the lever
assembly and the shaft, and move the bearings as necessary to get the correct measurement. After
the bearings are installed, there must be approximately .38 mm (.015 in.) end play in the lever
assembly. Remove the shaft and lever assembly.
11. Install the plug on the detent side of the governor housing with tooling (A) to a depth of 2.30 ±
0.5 mm (.091 ± 0.20 in.). Install the lip-type seal in the opposite side of the governor housing with
tooling (A). Install the lip-type seal with the lip toward the inside of the governor housing.
12. Put the lever assembly and shaft in position in the governor housing, and install the bolt and lock
in the lever assembly.
13. Assemble the torque control group as follows:
a. Install lock (35), retainer (36), insulator (37) and retainer (38) on bolts (34) as shown.
b. Install contact (39) on bolts (34) as shown.
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14. c. Install spring (40), spacer (41), shim (42), bar (43) and insulator (44) on bolts (34) as shown.
14. Install torque control group (45) on the governor housing as shown. Bend the lock to hold the
bolts tight.
15. Install low idle adjustment screw (46) first; then high idle adjustment screw (47) in the governor
housing.
16. Put the gasket and governor housing (48) in position on the fuel injection pump housing with
bolt (17) and the spring seat in alignment with the spring guide in the governor housing. Install the
bolts that hold the governor housing to the fuel injection pump housing.
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15. 17. Install O-ring seal (49) on the low and high idle adjustment screws.
18. Put spring (50) and rack stop collar (51) in position on the bolt in the weight assembly, and
install the allen screw that holds the rack stop collar in place.
19. Put the gasket and cover in position on the governor housing with dowel (52) in the cover in
alignment with notch (53) in the rack stop collar. Install the bolts that hold the cover in place.
20. Install the gasket and cover (54) over the low and high idle adjustment screws.
21. Install the key and lever on shaft (31).
22. After installation of the fuel injection pump housing and governor, adjust the rack and governor.
See Fuel Rack Setting And Governor Adjustments in Testing And Adjusting.
END BY:
a. install fuel injection pump housing and governor (interim scroll fuel system)
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16. Product: TRACK LOADER
Model: 943 TRACK LOADER 19Z
Configuration: 943 LGP TRACK LOADER / HIGH DRIVE / 19Z00001-00252 (MACHINE) POWERED BY 3204 ENGINE
Disassembly and Assembly
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Media Number -SENR4214-00 Publication Date -01/04/1985 Date Updated -11/10/2001
Governor (New Scroll Fuel System Effective In Production
With 10X5411-Up, 45V36536-Up)
SMCS - 1264-015; 1264-016
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17. Disassemble Governor (New Scroll Fuel System Effective In
Production With 10X5411-Up, 45V36536-Up)
START BY:
a. remove fuel injection pump housing and governor (new scroll fuel system effective in production
with 10X5411-UP, 45V36536-UP)
b. remove fuel transfer pump (new scroll fuel system effective in production with 10X5411-UP,
45V36536-UP)
NOTE: If it is desired to remove only the governor so the fuel injection pump housing can be
disassembled, do only Steps 1, 2, 15, 21, 25, 26, 27, 28, 31, 33, 34 and 37.
1. Remove bolts (1) and cover (2).
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18. 2. Remove six bolts (3), two top bolts (4), housing (5) and the gasket.
3. Remove governor spring (6), the two wave washers, one flatwasher and seat from the guide in the
housing.
4. Make a mark of the position of lever (7) on shaft (8). Loosen bolt (10). Use a chisel or
screwdriver to expand expansion of lever (7) so it can be removed from shaft (8).
5. Remove cover assembly (9).
6. Use tooling (A) to remove seal (10) from cover (9).
7. Remove low idle adjustment screw (12) and spring (11) from the housing.
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19. 8. Remove shaft assembly (14), lever (13) and lever (15) from the housing.
9. Remove two snap rings from pins (17), and remove pins (17). Remove plates (16) and stop (18)
from the shaft assembly.
10. Remove pin (20), pin (19) and spring (21) from the shaft assembly.
11. Remove shaft (22) and lever (23) from the housing.
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20. NOTICE
Remove check valve (24) only if a replacement is necessary because the
check valve will be damaged during removal.
12. Remove check valve (24) if a replacement is necessary.
13. Remove contact (25) and body (26) for the governor dashpot adjustment screw from the
housing. Remove bolts (27), cover (28) and the gasket from the housing.
14. Remove seal (29) and adjustment screw (30) for high idle.
15. Remove two bolts (31), housing (32) and the gasket from the fuel injection pump housing.
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21. 16. Remove bolts (33) and torque control group (34).
17. Disassemble the torque control group and inspect the spacer, spring and insulator for damage or
wear.
18. Remove bolts (36) and block (35) for the full load stop from the housing.
19. Remove the bolt that holds collar (37) to bolt (39). Remove collar (37) and spring (38) from bolt
(39). Remove bolt (39) from the block.
20. Remove the stop screw from collar (37) if a replacement is necessary.
21. Remove bolts (41) and governor servo (40) from the fuel injection pump.
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22. 22. Remove lockring (46), seat (45), spring (broken link spring) (44) and sleeve (43) from valve
(42). Remove the other lockring (46) from the groove in the center of valve (42).
NOTE: The groove in the bottom of valve (42) must be in alignment with the servo body to permit
removal from the fuel rack.
23. Remove valve (42), sleeve (47) and piston (49) from the governor servo. Remove the O-ring seal
from sleeve (47).
24. Remove pin (48) and lever (50) from the governor servo.
25. Use tool (C) to hold spring (52) in compression so ring (51) can be removed. Spring (52) is used
to put a preload on the thrust bearing for the camshaft in the fuel injection pump housing.
26. Remove ring (51); then remove tool (C).
27. Remove bearing (53), sleeves (54) and spring (52) from the governor shaft.
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23. 28. Remove ring (55) and dashpot assembly (56) from the governor shaft.
29. Use tool (B) to remove snap ring (62) from seat (59). Remove ring (61) and spool (60) from seat
(59).
30. Remove seat (59) from spring (58), and remove spring (58) from seat (57).
31. Remove spring (overfueling spring) (63) and riser (64) from the governor shaft.
32. Remove ring (65), races (66) and bearing (67) from the riser.
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24. Suggest:
For more complete manuals. Please go to
the home page.
https://www.ebooklibonline.com
If the above button click is invalid. Please
download this document first, and then
click the above link to download the
complete manual.
Thank you so much for reading
25. 33. Use a screwdriver to remove shield (68) as shown.
NOTE: Make a replacement of shield (68) any time it is removed.
34. Remove bolts (69) and carrier (70) for the governor flyweights.
35. Remove dowels (71) and flyweights (73) from the carrier.
36. Remove shaft (72) from the carrier. Remove the dowel from shaft (72).
37. Remove races (74) and bearing (75) from the camshaft in the fuel injection pump housing.
Assemble Governor (New Scroll Fuel System Effective In
Production With 10Y5411-UP, 45V36536-UP)
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26. NOTE: If the governor was removed only to permit repair of the fuel injection pump housing, do
only Steps 1, 4, 5, 7, 9, 10, 11, 16, 22, 37, 39 and 40.
NOTE: Put clean oil on all parts before assembly. Be sure all oil passages are clear.
1. Install one race (1), bearing (2) and the other race (1) on the camshaft in the fuel injection pump
housing.
2. Put flyweights (3) in position on carrier (4), and install the dowels to hold the flyweights in place.
The flyweights must move freely on the dowels and have 0.010 to 0.23 mm (0.0004 to 0.009 in.)
end play.
10/19
943 LGP TRACK LOADER / HIGH DRIVE / 19Z00001-00252 (MACHINE) PO...
2022/1/10
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